Run Keycloak Locally

docker run -d --name keycloak \
    -e KEYCLOAK_DATABASE_VENDOR=dev-file \
    -e KEYCLOAK_ADMIN_USER=admin \
    -e KEYCLOAK_ADMIN_PASSWORD=admin \
    -p 8080:8080 \
    bitnami/keycloak:22.0.5

• After running the Keycloak,
  • Add Google as Identity Provider. Check the link below as tutorial.
    https://medium.com/codeshakeio/configure-keycloak-to-use-google-as-an-idp-4e3c59583345
  • Create a Client in Keycloak and save the client id and client secret for later use in running this backend service.

Run MongoDB Locally

docker volume create mongo-data
docker run -d --name mongodb \
    -v mongo-data:/etc/mongo \
    -p 27017:27017 \
    mongo:5.0.22

Environment Config

• To run this backend locally, set the environment values in the .env file
• To set the production config, set the environment variables in k8/secret.yaml file

APIs

• Postman APIs example in available in the Alap.postman_collection.json file. You can import the file in your postman and check.

Websocket Endpoint

• /ws?accessToken=[ACCESS_TOKEN]

WS Message Send Format

{
    "to": "RECIPIENT_USER_ID",
    "chatWindow": "CHAT_WINDOW_ID_OF_THE_PARTICIPANTS",
    "msg": "TEXT_MESSAGE"
}

WS Message Receive Format

{
    "sender": "SENDER_USER_ID",
    "chatWindow": "CHAT_WINDOW_ID_OF_THE_PARTICIPANTS",
    "msg": "TEXT_MESSAGE"
}

Kubernetes Deployment

All Kubernetes deployment descriptors are available in the k8 folder